<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8" />
    <link rel="icon" href="/favicon.ico" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>后台管理系统</title>
    <style>
        #loading {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(255, 255, 255, 0.8);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 9999;
        }
        .spinner {
            width: 160px;
            height: 160px;
            border-radius: 50%;
            position: relative;
            border: 5px solid transparent;
            border-top-color: #409eff;
            animation: spin 1s linear infinite;
        }
        .spinner::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 100%;
            height: 100%;
            border-radius: 50%;
            background: linear-gradient(45deg, #409eff, #66b1ff);
            transform: translate(-50%, -50%);
            animation: pulse 1.5s ease-in-out infinite;
        }
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        @keyframes pulse {
            0% { transform: translate(-50%, -50%) scale(1); }
            100% { transform: translate(-50%, -50%) scale(1.15); }
        }
    </style>
</head>
<body>
    <div id="loading">
        <div class="spinner"></div>
    </div>
    <div id="app"></div>
    <script type="module" src="/src/main.js"></script>
</body>
</html>
